Ah great thank you, I was calling with args and with (), I never thought to
call the function without parentheses
On Thursday, January 23, 2014 12:36:57 PM UTC, pagameba wrote:
>
> You are invoking fileCallback inside the call to fs.readFile, you just
> want to provide the function referencer instead.
>
> var fs = require('fs');
>
> fs.readFile(process.argv[2], fileCallback);
>
> function fileCallback(err, file) {
> console.log(file.toString().split('\n').length - 1);
> }
>
> --
> Paul Spencer
> Sent with Airmail
> ------------------------------
> From: Liam Ryan Liam Ryan <javascript:>
> Reply: [email protected] <javascript:>
> [email protected]<javascript:>
> Date: January 23, 2014 at 6:10:34 AM
> To: [email protected] <javascript:> [email protected]<javascript:>
> Subject: [nodejs] Re: Tidying up callback declarations
>
> Thanks, declaring the expression before the call worked perfectly, I'm
> still struggling with the function declaration though -
>
> var fs = require("fs");
>
>
> fs.readFile( process.argv[2], fileCallback(err, file) );
>
> function fileCallback(err, file) {
> console.log(file.toString().split("\n").length - 1);
> };
>
> On Wednesday, January 22, 2014 10:23:49 PM UTC, mks wrote:
>>
>> Your callback is a function expression, hence doesn't get hoisted.
>> Write it as a function declaration or move the function expression before
>> the readdir call.
>>
>> On Wednesday, January 22, 2014 7:19:14 PM UTC+1, Liam Ryan wrote:
>>>
>>> Hi All,
>>>
>>> Probably a stupid question but I wanted to make my code for filteredLS
>>> easier to read by doing something like -
>>>
>>> var fs = require("fs);
>>>
>>> fs.readdir(process.argv[2], callback);
>>>
>>> var callback = function( err, files) {
>>> ....
>>> }
>>>
>>> However this doesn't seem to work, is it my syntax or will this just not
>>> work for node?
>>>
>> --
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